drm/amdgpu: add option to stop on VM fault
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu.h b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
index afc9848..a3dbbd1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu.h
@@ -79,6 +79,7 @@
extern int amdgpu_deep_color;
extern int amdgpu_vm_size;
extern int amdgpu_vm_block_size;
+extern int amdgpu_vm_fault_stop;
extern int amdgpu_enable_scheduler;
extern int amdgpu_sched_jobs;
extern int amdgpu_sched_hw_submission;
@@ -960,6 +961,11 @@
#define AMDGPU_PTE_FRAG_64KB (4 << 7)
#define AMDGPU_LOG2_PAGES_PER_FRAG 4
+/* How to programm VM fault handling */
+#define AMDGPU_VM_FAULT_STOP_NEVER 0
+#define AMDGPU_VM_FAULT_STOP_FIRST 1
+#define AMDGPU_VM_FAULT_STOP_ALWAYS 2
+
struct amdgpu_vm_pt {
struct amdgpu_bo *bo;
uint64_t addr;